I'm certain that we'll see a lot of technological advances in the next 50 years. (BOUND)
We're bound to see a lot of technological advances in the next 50 years.
I can't tonight but I'll definitely come next time.(CERTAIN)
I can't tonight but I'm certain to come next time.
We might have problems with water supply in the future. (CHANCE)
There's a chance that we'll have problems with water supply in the future.
They'll probably email rather than phone. (LIKELY)
They're likely to email rather than phone.
The only possibility is that this is the wrong key. (MUST)
This must be the wrong key.
There's no chance that he'll find out. (DEFINITELY)
He definitely won't/will definitely not/definitely will not find out.
Rachel has a new boyfriend. She may / must / can’t get married soon.
may
It isn’t possible that the message is from John – he hasn’t got a phone. (CAN'T)
The message can’t be from John – he hasn’t got a phone.
He owns a Jaguar, a Rolls-Royce and a Ferrari. He might / must / can’t be very rich.
must
It’s certain that Kate will get the job. (BOUND)
Kate is bound to get the job.
We're playing so badly we definitely won't win. (WAY)................We're playing so badly that ______________ that we'll win.
We're playing so badly that there's no way that we'll win.
I'm not sure that we'll get another opportunity. (NOT).... We_______ get another opportunity.
might not/may not
She won't be happy to hear that. (SURE)
I'm sure that she won't be happy to hear that.
It’s possible that the hackers don’t live in the same country. (MIGHT NOT)
The hackers might not live in the same country.